331231616152 has 32 divisors (see below), whose sum is σ = 627471580320. Its totient is φ = 163907238400.

The previous prime is 331231616141. The next prime is 331231616173. The reversal of 331231616152 is 251616132133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868133 + ... + 2037739.

It is an arithmetic number, because the mean of its divisors is an integer number (19608486885).

Almost surely, 2^331231616152 is an apocalyptic number.

It is an amenable number.

331231616152 is a deficient number, since it is larger than the sum of its proper divisors (296239964168).

331231616152 is a wasteful number, since it uses less digits than its factorization.

331231616152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172131 (or 172127 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

Adding to 331231616152 its reverse (251616132133), we get a palindrome (582847748285).

The spelling of 331231616152 in words is "three hundred thirty-one billion, two hundred thirty-one million, six hundred sixteen thousand, one hundred fifty-two".